cmsmanage/tasks/migrations/0002_tool_slug.py

from django.db import migrations, models
from django.utils.text import slugify


def slugify_name(apps, schema_editor):
    Tool = apps.get_model("tasks", "tool")
    for tool in Tool.objects.all():
        tool.slug = slugify(tool.name)
        tool.save(update_fields=["slug"])


class Migration(migrations.Migration):
    dependencies = [
        ("tasks", "0001_initial"),
    ]

    operations = [
        migrations.AddField(
            model_name="tool",
            name="slug",
            field=models.SlugField(blank=True, null=True, unique=True),
        ),
        migrations.RunPython(slugify_name),
        migrations.AlterField(
            model_name="tool",
            name="slug",
            field=models.SlugField(unique=True),
        ),
    ]